Medical services; Medical services in the nature of administering vaccines; Medical treatment of infectious diseases; Medical treatment of tropical diseases; Medical testing services relating to the diagnosis and treatment of disease; Administering vaccines to patients; Charitable services, namely, providing medical attention to those in developing countries; Clinical medical consultation services; Consultancy in the field of the medical treatment of tropical diseases; Consultancy in the field of the medical treatment of infectious diseases; Consulting services in the field of medical care; Consulting services in the field of the diagnosis and treatment of tropical diseases; Consulting services in the field of the diagnosis and treatment of infectious diseases; Emergency medical services; Emergency medical services offered in or from a remote, mobile or temporary on-site location; Individual medical counseling services provided to patients; Medical diagnosis and treatment of tropical diseases; Medical diagnosis and treatment of infectious diseases; Providing medical advice in the field of travel medicine; Providing medical advice in the field of tropical disease; Providing medical advice in the field of infectious disease; Providing health information in the field of travel medicine; Providing health information in the field of tropical disease; Providing health information in the field of infectious disease; Provision of medical services by health care professionals via the internet or telecommunication networks; Testing for medical diagnostic or treatment purposes in the field of infectious diseases